Clank may refer to: Clank (Ratchet & Clank), major character in the Ratchet & Clank video game series for PlayStations 2, 3, and 4 Antonov An-30, airplane with the NATO reporting name "Clank" Curt
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e6d98b3fa86d5608d2f9a4839e9d0d9905f648f803ed9c11e9d05bc7927b001. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c36d0f72-33f1-463e-a380-7009753fd26a.json and https://artists.proofprofile.net/proofs/artist/c36d0f72-33f1-463e-a380-7009753fd26a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).